The issue will likely be discussed Tuesday in what will likely be the last pre-trial hearing before jury selection gets under way on June 10. Martin’s toxicology report indicates that THC, the active drug in marijuana, was in his blood at the time of his death on Feb. 26, 2012.

In court documents filed May 21, Zimmerman’s attorneys argue that the report shows Martin’s judgment may have been impaired the night of the shooting, and it may have affected his decision-making. The attorneys say jurors should be able to decide for themselves whether Martin’s drug use is relevant to the case.

Zimmerman's drug use has also come up in the case. Martin's family attorney Ben Crump says Zimmerman should have been tested for drugs the night of the shooting. A fire and EMS report says Zimmerman was on the medications Librax and Temazepam at the time of the incident.

WebMD says Librax is a combination of two drugs, one that reduces stomach cramping and another drug that reduces anxiety. Temazepam, according to WebMD, is a sleep medication that is used for the short-term treatment for insomnia.

Zimmerman is charged with second-degree murder for shooting Martin on Feb. 26, 2012. He claims he shot the teenager in self-defense.

Martin was returning from a convenience store after buying an iced tea and some candy, and he was unarmed.

At Tuesday's hearing, Zimmerman's attorneys are expected to ask the judge for more time to review new speech analysis evidence recently given to them by prosecutors.

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